<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="通知标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入通知标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="通知内容" prop="content">
        <el-input
          v-model="queryParams.content"
          placeholder="请输入通知内容"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="通知类型" prop="typeId">
        <el-select v-model="queryParams.typeId" placeholder="请选择通知类型" clearable>
          <el-option label="系统通知" :value="1" />
          <el-option label="个人消息" :value="2" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['hyg:notice:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['hyg:notice:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['hyg:notice:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['hyg:notice:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="noticeList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="通知ID" align="center" prop="id" />
      <el-table-column label="通知标题" align="center" prop="title" />
      <el-table-column label="通知内容" align="center">
        <template slot-scope="scope">
          <div v-if="scope.row.typeId == 1" v-html="scope.row.content"></div>
          <div v-else>
            <p v-html="scope.row.content"></p>
            <p v-if="scope.row.orderNo">订单编号: {{ scope.row.orderNo }}</p>
            <p v-if="scope.row.amount">订单金额: {{ scope.row.amount }}</p>
            <p v-if="scope.row.orderStatus">订单状态: {{ scope.row.orderStatus }}</p>
          </div>
        </template>
      </el-table-column>
      <el-table-column label="通知类型" align="center" prop="typeId">
        <template slot-scope="scope">
          {{ scope.row.typeId == 1 ? '系统通知' : '个人消息' }}
        </template>
      </el-table-column>
      <el-table-column label="用户名" align="center" prop="userName" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['hyg:notice:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['hyg:notice:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改通知管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="通知标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入通知标题" />
        </el-form-item>
        <el-form-item label="通知内容" prop="content">
          <editor v-model="form.content" :min-height="192"/>
        </el-form-item>
        <el-form-item label="通知类型" prop="typeId">
          <el-select v-model="form.typeId" placeholder="请选择通知类型" @change="handleTypeChange">
            <el-option label="系统通知" :value="1" />
            <el-option label="个人消息" :value="2" />
          </el-select>
        </el-form-item>
        <el-form-item label="用户" prop="userId" v-if="form.typeId == 2">
          <el-select
            v-model="form.userId"
            filterable
            remote
            reserve-keyword
            placeholder="请输入用户名搜索"
            :remote-method="searchUser"
            :loading="userLoading"
            @change="handleUserChange"
          >
            <el-option
              v-for="item in userList"
              :key="item.userId"
              :label="item.userName"
              :value="item.userId"
            />
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listNotice, getNotice, delNotice, addNotice, updateNotice } from "@/api/hyg/notice"
import { listUser, getUser } from "@/api/system/user";

export default {
  name: "Notice",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 通知管理表格数据
      noticeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      userLoading: false,
      userList: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        content: null,
        typeId: null,
        userId: null
      },
      // 表单参数
      form: {
        id: null,
        title: null,
        content: null,
        createTime: null,
        del: 1,
        typeId: null,
        userId: null,
        userName: null
      },
      // 表单校验
      rules: {
        title: [
          { required: true, message: "通知标题不能为空", trigger: "blur" }
        ],
        content: [
          { required: true, message: "通知内容不能为空", trigger: "blur" }
        ],
        typeId: [
          { required: true, message: "请选择通知类型", trigger: "change" }
        ],
        userId: [
          {
            required: true,
            validator: (rule, value, callback) => {
              if (this.form.typeId === 2 && !value) {
                callback(new Error('请选择用户'));
              } else {
                callback();
              }
            },
            trigger: "change"
          }
        ]
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询通知管理列表 */
    getList() {
      this.loading = true
      listNotice(this.queryParams).then(response => {
        this.noticeList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        content: null,
        createTime: null,
        del: 1,
        typeId: null,
        userId: null,
        userName: null
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = "添加通知管理"
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getNotice(id).then(response => {
        this.form = response.data
        if (this.form.typeId === 2 && this.form.userId) {
          this.getUserInfo(this.form.userId)
        }
        this.open = true
        this.title = "修改通知管理"
      })
    },
    /** 搜索用户 */
    async searchUser(query) {
      if (query) {
        this.userLoading = true
        try {
          const res = await listUser({ userName: query })
          this.userList = res.rows
        } finally {
          this.userLoading = false
        }
      }
    },
    /** 获取用户信息 */
    async getUserInfo(userId) {
      try {
        const res = await getUser(userId)
        if (res.data) {
          this.form.userName = res.data.userName
          // 确保用户在选择列表中
          if (!this.userList.some(u => u.userId === userId)) {
            this.userList.unshift(res.data)
          }
        }
      } catch (error) {
        console.error("获取用户信息失败:", error)
      }
    },
    /** 用户选择变化 */
    handleUserChange(userId) {
      const selectedUser = this.userList.find(u => u.userId === userId)
      if (selectedUser) {
        this.form.userName = selectedUser.userName
      }
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.typeId === 2 && !this.form.userId) {
            this.$message.error("个人消息必须选择用户")
            return
          }

          const submitData = {
            ...this.form,
            userName: undefined // 不提交userName，由后端处理
          }

          const api = this.form.id ? updateNotice : addNotice
          api(submitData).then(() => {
            this.$modal.msgSuccess("操作成功")
            this.open = false
            this.getList()
          })
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids
      this.$modal.confirm('是否确认删除通知管理编号为"' + ids + '"的数据项？').then(function() {
        return delNotice(ids)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess("删除成功")
      }).catch(() => {})
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('hyg/notice/export', {
        ...this.queryParams
      }, `notice_${new Date().getTime()}.xlsx`)
    },
    /** 通知类型变化处理 */
    handleTypeChange(val) {
      if (val == 1) {
        this.form.userId = null
        this.form.userName = null
      }
    }
  }
}
</script>
